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Wyszukujesz frazę "NOx reduction catalyst" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Development project of a hydrogen fuelled internal combustion engine for heavy duty truck - outline and preliminary test
Autorzy:
Sato, Y.
Yanai, T.
Goto, Y.
Powiązania:
https://bibliotekanauki.pl/articles/246354.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engine
hydrogen engine
direct injection
NOx emission
NOx reduction catalyst
Opis:
The hydrogen fuelled internal combustion engine represent a promising solution to the issues of global warming, fossil fuel break point and environmental protection. The development of a hydrogen fuelled internal combustion engine for heavy-duty truck has been being carried out at Hydrogen Energy Research Centre (HERC) of Musashi Institute of Technology and National Traffic Safety and Environment Laboratory (NTSEL) since FY 2005 in the Next-Generation, Low-Emission Vehicle Development - Practical Implementation Project (EFV21) of Ministry of Land, Infrastructure and Transport (MLIT). As the most important key technology, the development of the common-rail type electronic high pressure hydrogen injectors is performed. Now the development of a hydrogen fuelled engine with 6 cylinders, the total displacement of 7.7 litters, direct injection and spark ignition is about to start. In this paper, the development concept, the characteristics of the injectors, some performance in the engine output power and the effects of nox reduction catalyst ever obtained experimentally by using a single cylinder engine are demonstrated.
Źródło:
Journal of KONES; 2007, 14, 3; 543-549
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Directions in vehicle efficiency and emissions
Autorzy:
Johnson, T. V.
Joshi, A.
Powiązania:
https://bibliotekanauki.pl/articles/133977.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
greenhouse gases
vehicle emissions
regulations
engines
aftertreatment
NOx
diesel oxidation catalyst
selective catalytic reduction
diesel particulate filter
gasoline particulate filter
gazy cieplarniane
przepisy prawne
silniki
katalizator utleniania oleju napędowego
selektywna redukcja katalityczna
filtr cząstek stałych
Opis:
This paper provides a general review of light-duty (LD) and heavy-duty (HD) regulations, engine technology, and key emission control strategies. The US is placing a stronger emphasis on laboratory emissions, and the LD regulations are about an order of magnitude tighter than Euro 6, but Europe is focusing on real-world reductions. The California HD low-NOx regulation is advancing and may be proposed in 2017/18 for implementation in 2023+. The second phase of US HD greenhouse gas regulations propose another 25-30% tightening beyond Phase 1, beginning in 2021. LD and HD engine technology continues showing marked improvements in engine efficiency. LD gasoline concepts are closing the gap with diesel. HD engines are demonstrating more than 50% BTE using methods that can reasonably be commercialized. LD and HD diesel NOx technology trends are also summarized. NOx storage catalysts and SCR combinations are the lead approach to meeting the LD regulations. Numerous advanced NOx technologies are being evaluated and some promise for meeting the California HD low NOx targets. Oxidation catalysts are improved for both diesel and methane oxidation applications. Gasoline particulate filters (GPF) are the lead approach to reducing particles from gasoline direct injection (GDI) engines. They reduce PAH emissions, and catalyzed versions can be designed for low back pressure. Regeneration largely occurs during hot decelerations.
Źródło:
Combustion Engines; 2016, 55, 3; 3-8
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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